Canteen



FIG. 1 is a front elevational view of a canteen showing my new design;

FIG. 2 is a rear elevational view thereof;

FIG. 3 is a right side elevational view with the left side being a mirror image thereof; and,

FIG. 4 is a top view thereof.

The undisclosed bottom view is plain and unornamented. 

The ornamental design for a canteen, as shown and described. 